CN206815460U

CN206815460U - A kind of sealing ring type air pressure dredge

Info

Publication number: CN206815460U
Application number: CN201720455002.9U
Authority: CN
Inventors: 龙杰武
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-26
Filing date: 2017-04-26
Publication date: 2017-12-29
Anticipated expiration: 2027-04-26

Abstract

A kind of sealing ring type air pressure dredge is the utility model is related to, the dredge includes inflator body, connector, sealing breather valve, the internal Universal flexible shaft connecting rod for being provided with steam hose and the internal ventilation plug for being provided with venting channels；The inflator body includes stack shell, the piston being movably arranged in the stack shell, handle and the distance rod of the connection piston and handle；The connector is fixedly mounted on the gas outlet of the stack shell front end, the sealing breather valve is arranged in the venting channels of the connector, one end of the Universal flexible shaft connecting rod is fixedly connected with the front end of the connector, one end of the flexible pipe connects with the venting channels of the connector, the other end of the Universal flexible shaft connecting rod is fixedly connected with the ventilation plug, and the other end of the flexible pipe connects with the venting channels of the ventilation plug.Sealing ring type air pressure dredge of the present utility model has the advantages of simple in construction, production cost is low, easy to use, dredging effect is good and need not rely on power supply.

Description

A kind of sealing ring type air pressure dredge

Technical field

It the utility model is related to pipe dredging device technical field, and in particular to a kind of sealing ring type air pressure dredge.

Background technology

During present pipe-dredging, the most of the time still uses elongated thin bamboo strips used for weaving bar, inserts in the pipeline of blocking, Tamper is disclosed out by twitching thin bamboo strips used for weaving bar back and forth, thin bamboo strips used for weaving bar is only adapted to straight pipeline or few curved pipeline, when thin bamboo strips used for weaving bar is used When more bend pipes, the pipeline that sharp turn is managed, long tube and blockage ratio are more serious, thin bamboo strips used for weaving bar is at all helpless.Existing Manual pipeline Dredging machine, the fulcrum do not fixed, machine direction and fixed position, another hand turn motivation is held with a hand support during work The handle of device, because the active force of two hands can not be totally absorbed on dredging axle, particularly when dredging axle is obstructed, machine shakes Shake, operator feels to make not energetically.Although some electronic drain cleaners occurs in the market, there are many working sites remote From power supply, electronic drain cleaner is caused to be unable to normal use.

Utility model content

The purpose of this utility model is to provide a kind of sealing ring type air pressure dredge, to solve existing dredger The dredging effect of more curved pipes is poor, dredger operation inconvenience and the problem of can not be used in no power supply place.

To achieve the above object, the utility model provides a kind of sealing ring type air pressure dredge, the sealing ring type air pressure Dredge includes inflator body, the internal connector for being provided with venting channels, reaches the sealing that certain air pressure can just turn on Breather valve, the internal Universal flexible shaft connecting rod for being provided with steam hose and the internal ventilation plug for being provided with venting channels；It is described to inflate Cylinder body includes stack shell, the piston being movably arranged in the stack shell, handle and the distance rod of the connection piston and handle；Institute The gas outlet that connector is fixedly mounted on the stack shell front end is stated, the ventilation that the sealing breather valve is arranged on the connector is led to In road, one end of the Universal flexible shaft connecting rod is fixedly connected with the front end of the connector, one end of the flexible pipe with it is described The venting channels connection of connector, the other end of the Universal flexible shaft connecting rod is fixedly connected with the ventilation plug, described soft The other end of pipe connects with the venting channels of the ventilation plug.

Preferably, the sealing breather valve includes housing, air rammer, connecting rod, spring and the pressure limiting part of both ends open, institute Stating pressure limiting part includes pressure-limiting loop and fixture, and fixing hole and passage are provided with the fixture, and the fixture fixes peace Mounted in the front port of housing, the pressure-limiting loop is located at the enclosure interior and is connected by some support bars with fixture, described Air rammer is movably arranged in the housing, and rubber seal is arranged with the circumference of the air rammer, the connecting rod One end is fixedly connected with the air rammer, and the other end is movably inserted in fixing hole, and the spring is set in the connecting rod On, the edge of the housing rear end mouth extends radially inwardly to form an annular baffle ring.

Preferably, the external diameter of the rubber seal is more than the internal diameter of the pressure-limiting loop and the internal diameter of the housing.

Preferably, it is arranged with sealing ring on the cylinder of the housing.

Preferably, universal pipe nipple is end to end is formed by connecting by several for the Universal flexible shaft connecting rod, described universal short Section is internal to be provided with passage.

Preferably, the front port of the connector venting channels is provided with hollow screw, and one end of the flexible pipe is set in The periphery of the hollow screw.

Preferably, the material of the ventilation plug is polyurethane plastics or Maranyl.

Preferably, the ventilation plug is in round estrade, and the diameter of the ventilation plug front end face is less than the diameter of rear end face.

Preferably, some fins are provided with the sealing surface of the ventilation plug.

The utility model has the following advantages that：Sealing ring type air pressure dredge of the present utility model has simple in construction, raw The advantages of production cost is low, easy to use, dredging effect is good and need not rely on power supply.

Brief description of the drawings

Fig. 1 is the cross-sectional view of the utility model sealing ring type air pressure dredge.

Fig. 2 is the structural representation of the utility model sealing breather valve.

Fig. 3 is the cross-sectional view of the utility model sealing breather valve.

Fig. 4 is the structural representation of the utility model pressure limiting part.

Embodiment

Following examples are used to illustrate the utility model, but are not limited to the scope of the utility model.

Embodiment 1

As shown in figure 1, the sealing ring type air pressure dredge includes inflator body 1, connector 2, sealing breather valve 3, ten thousand To flexible axle connecting rod 4 and ventilation plug 5.Inflator body 1 includes stack shell 11, piston 12, handle 13 and distance rod 14.Piston 12 In the bowl-shape of back-off, piston 12 is movably arranged in stack shell 11, is sealed between piston 12 and stack shell 11, and handle 13 is by pushing away Power bar 14 is connected with piston 12, when pulling with hand or driving handle 13, piston 12 can be achieved and posteriorly or anteriorly move.When piston 12 When travelling forward, the air between piston 12 and connector 2 is compressed, the pressure increase of air, when piston 12 moves backward, The pressure of air between piston 12 and connector 2 is reduced, under external air pressure effect, piston 12 deforms, extraneous sky Gap of the gas between piston 12 and the inwall of stack shell 11 enter between piston 12 and connector 2, the structure of inflator body 1 with from Inflator structure of driving a vehicle is identical, is no longer discussed in detail herein.Connector 2 is by being threadedly mounted to the gas outlet of the front end of stack shell 11 Interior, the inside of connector 2 is provided with venting channels, and the front port of the venting channels of connector 2 is provided with hollow screw 6.

As shown in Figure 2,3, 4, sealing breather valve 3 includes housing 31, air rammer 32, connecting rod 33, spring 34 and pressure limiting part 35, housing 31 is in the tubular structure of both ends open, and pressure limiting part 35 includes pressure-limiting loop 351 and fixture 352, in fixture 352 Heart position is provided with a fixing hole 353, and some passages 354 are provided with around fixing hole 353, and fixture 352 fixes peace Mounted in the front port of housing 31, in annular shape, pressure-limiting loop 351 is located at the inside of housing 31 and passes through some support bars pressure-limiting loop 351 355 are connected with fixture 352, and the inwall of pressure-limiting loop 351 and housing 31 is affixed, and air rammer 32 is movably arranged in housing 31, Rubber seal 321 is arranged with the circumference of air rammer 32, the external diameter of rubber seal 321 is more slightly larger than the internal diameter of housing 31, gas After piston 32 is arranged in housing 31, the inwall of housing 31 is squeezed in the periphery of rubber seal 321, makes itself and housing 31 Inwall is closely affixed, and ensures to realize sealing between rubber seal 321 and the inwall of housing 31, meanwhile, rubber seal 321 Internal diameter of the external diameter also than pressure-limiting loop 351 is slightly larger, ensures only when the air pressure that air rammer 32 is subject to reaches certain pressure value Air rammer 32 could be from pressure-limiting loop 351 by the way that spring 34 is compressed, the completion pressure leak process of air rammer 32, in stack shell 11 afterwards Atmospheric pressure reduces, and when the air pressure that air rammer 32 is subject to is less than certain pressure value, the spring 34 compressed extends, bullet Spring 34 promotes air rammer 32 by pressure-limiting loop 351 and is moved to initial position, rubber seal 321 and the inwall of housing 31 Sealing is realized again.One end of connecting rod 33 is fixedly connected with the preceding surface of air rammer 32, and the other end movably inserts fixing hole In 353, spring 34 is set on connecting rod 33, and one end of spring 34 withstands on the preceding surface of air rammer 32, and the other end withstands on fixation On part 352, the edge of the rear port of housing 31 extends radially inwardly to form an annular baffle ring 312.When with hand push fixed handle 13, piston 12 is travelled forward, and the air between piston 12 and connector 2 is compressed, and the pressure increase of air, air push Air rammer 32 moves to the direction close to fixture 352.When pulling with hand handle 13, piston 12 moves backward, piston 12 with Atmospheric pressure between connector 2 reduces, and air rammer 32 is blocked by baffle ring 312 and can not moved, and air rammer 32 and housing It is sealing again between 31 inwalls, air can not be by the way that therefore, under external air pressure effect, piston 12 deforms, and air leads to The gap crossed between piston 12 and the inwall of stack shell 11 enters between piston 12 and connector 2.Further, in order to prevent housing 31 Outer surface and connector 2 venting channels between gas leakage, be also arranged with sealing ring 311 on the cylinder of housing 31.

Universal pipe nipple 41 is end to end is formed by connecting by several for Universal flexible shaft connecting rod 4, and the one of Universal flexible shaft connecting rod 4 End is fixedly connected with the front end of connector 2, and the other end is fixedly connected with the rear end for plug 5 of ventilating, and universal pipe nipple 41 includes male member 42 and female members 43, male member 42 is in spheroid, and female members 43 is hollow hemisphere, the male member 42 of two neighboring universal pipe nipple 41 and recessed Part 43 snaps together, and forms a connecting rod that can be bent, certain frictional force between male member 42 and female members 43 be present, Therefore, it is necessary to which certain external force just can bend Universal flexible shaft connecting rod 4, its pipeline using bending is allow, it is universal The inside of pipe nipple 41 is provided with passage, flexible pipe 44 is provided with passage, one end of flexible pipe 44 is set in the periphery of hollow screw 6, another The venting channels with plug 5 of ventilating are held to connect.It is both protected flexible pipe 44 by using Universal flexible shaft connecting rod 4, again may be used Ventilation plug 5 is given with the pressure transmission that will be applied on inflator body, ventilation plug 5 is bonded with inner-walls of duct closer, It can also be made to can apply to the pipeline of bending the bending of Universal flexible shaft connecting rod 4.

Plug 5 of ventilating is in round estrade, and the diameter of the ventilation front end face of plug 5 is less than the diameter of rear end face, the material for plug 5 of ventilating Matter is polyurethane plastics or Maranyl.Ventilating, plug 5 is simple in construction, and production cost is low, in order that must ventilate plug 5 and pipe Road inwall is bonded closer, and some fins 51 are provided with the sealing surface for plug 5 of ventilating.The ventilation certain pressure of plug 5 is given, Fin 51 can be bonded closer with inner-walls of duct, and preventing gas leak phenomenon influences dredging effect.

Operation principle：In use, a hand holds stack shell 11, another holds handle 13 of stopping, and ventilation plug 5 is placed on Waterpipe oral area, firmly pressing stack shell 11 will be such that ventilation plug 5 is bonded closely with the inwall of pipeline, pull with hand handle 13, living Plug 12 moves backward, and the atmospheric pressure between piston 12 and connector 2 reduces, and between air rammer 32 and the inwall of housing 31 It is sealing, air can not be by the way that therefore, under external air pressure effect, piston 12 deforms, and outside air passes through piston 12 Gap between the inwall of stack shell 11 enters between piston 12 and connector 2, when being full of air in stack shell 11, when with hand propelled Handle 13, piston 12 are travelled forward, and the air between piston 12 and connector 2 is compressed, the pressure increase of air, air push Air rammer 32 is moved to the direction close to fixture 352, and spring 34 is compressed, when air rammer 32 moves to pressure-limiting loop 351 Rear end face when, due to rubber seal 321 external diameter be more than pressure-limiting loop 351 internal diameter, pressure-limiting loop 351 prevent air rammer 32 Travel forward, when continuing to press on handle 13, the atmospheric pressure between piston 12 and connector 2 further increases, and air is applied to After pressure on air rammer 32 reaches certain pressure value, rubber seal 321 is diminished by compression, its external diameter, pneumatic living Filled in for 32 moments to move to the direction close to fixture 352 by pressure-limiting loop 351, due to the presence of support bar 355, rubber seal Gap between 321 and the inwall of housing 31 be present, compressed air moment enters connection by gap after the outflow of passage 354 First 2 venting channels, finally enter by the venting channels of flexible pipe 44 and ventilation plug 5 in pipeline, due to ventilation plug 5 and pipe Road inwall fitting is close, and pipeline is internally formed a closing space, and substantial amounts of air moment enters inside pipeline, and air is to pipeline Interior tamper applies moment impact pressure, tamper is dispelled out, so as to reach the effect of dredging pipeline.Air rammer 32 is complete Into after pressure leak process, atmospheric pressure reduces in stack shell 11, when the air pressure that air rammer 32 is subject to is less than certain pressure value, The spring 34 compressed extends, and spring 34 promotes the repercussion of air rammer 32 to move through pressure-limiting loop 351 and is moved to initial bit Put, rubber seal 321 and the inwall of housing 31 realize sealing again.If tamper does not dispel out, push-and-pull hand repeatedly is only needed Handle 13 so that the pressure inside pipeline constantly increases, and most tamper dispels out at last, by pipe-dredging.Therefore, this practicality is used No matter how complicated the shape of pipeline is for new sealing ring type air pressure dredge, no matter it is serious what kind of is also blocked, utilizes compression The huge impulse force of air can wash tamper open.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be modified or improved, this is apparent to those skilled in the art 's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will Seek the scope of protection.

Claims

1. a kind of sealing ring type air pressure dredge, the sealing ring type air pressure dredge includes inflator body, internal be provided with is led to The connector of gas passage, reach sealing breather valve that certain air pressure can just turn on, internal be provided with the universal soft of steam hose Axis connection bar and the internal ventilation plug for being provided with venting channels；The inflator body includes stack shell, is movably arranged on the cylinder Piston, handle and the distance rod of the connection piston and handle in body；Characterized in that, the connector is fixedly mounted on institute The gas outlet of stack shell front end is stated, the sealing breather valve is arranged in the venting channels of the connector, and the Universal flexible shaft connects One end of extension bar is fixedly connected with the front end of the connector, and one end of the flexible pipe and the venting channels of the connector connect Logical, the other end of the Universal flexible shaft connecting rod is fixedly connected with the ventilation plug, and the other end of the flexible pipe leads to described The venting channels connection of gas plug.

2. sealing ring type air pressure dredge according to claim 1, it is characterised in that the sealing breather valve includes both ends Housing, air rammer, connecting rod, spring and the pressure limiting part of opening, the pressure limiting part include pressure-limiting loop and fixture, the fixture On be provided with fixing hole and passage, the fixture is fixedly mounted on the front port of housing, and the pressure-limiting loop is located at the shell Internal portion is simultaneously connected by some support bars with fixture, and the air rammer is movably arranged in the housing, described pneumatic Rubber seal is arranged with the circumference of piston, one end of the connecting rod is fixedly connected with the air rammer, and the other end can live Insert dynamicly in fixing hole, the spring is set on the connecting rod, and the edge of the housing rear end mouth extends radially inwardly shape The baffle ring annular into one.

3. sealing ring type air pressure dredge according to claim 2, it is characterised in that the external diameter of the rubber seal point Great Yu not the internal diameter of the pressure-limiting loop and the internal diameter of the housing.

4. sealing ring type air pressure dredge according to claim 2, it is characterised in that be arranged with the cylinder of the housing Sealing ring.

5. sealing ring type air pressure dredge according to claim 1, it is characterised in that if the Universal flexible shaft connecting rod by Dry universal pipe nipple is end to end is formed by connecting, and passage is provided with inside the universal pipe nipple.

6. sealing ring type air pressure dredge according to claim 1, it is characterised in that before the connector venting channels Port is provided with hollow screw, and one end of the flexible pipe is set in the periphery of the hollow screw.

7. sealing ring type air pressure dredge according to claim 1, it is characterised in that the material of the ventilation plug is poly- Urethane plastics or Maranyl.

8. sealing ring type air pressure dredge according to claim 7, it is characterised in that the ventilation plug is in round estrade, The diameter of the ventilation plug front end face is less than the diameter of rear end face.

9. sealing ring type air pressure dredge according to claim 8, it is characterised in that on the sealing surface of the ventilation plug It is provided with some fins.